Division BAT 8
United Kingdom
In order to prevent diffuse emissions from the handling and transport of raw materials, BAT is to use a combination of the techniques given below.
| Technique | |
|---|---|
| a | Enclosed conveyors or pneumatic systems to transfer and handle dust-forming concentrates and fluxes and fine-grained material |
| b | Covered conveyors to handle non-dust-forming solid materials |
| c | Extraction of dust from delivery points, silo vents, pneumatic transfer systems and conveyor transfer points, and connection to a filtration system (for dust-forming materials) |
| d | Closed bags or drums to handle materials with dispersible or water-soluble components |
| e | Suitable containers to handle pelletised materials |
| f | Sprinkling to moisten the materials at handling points |
| g | Minimise transport distances |
| h | Reduce the drop height of conveyor belts, mechanical shovels or grabs |
| i | Adjust the speed of open belt conveyors (< 3,5 m/s) |
| j | Minimise the speed of descent or free fall height of the materials |
| k | Place transfer conveyors and pipelines in safe, open areas above ground so that leaks can be detected quickly and damage from vehicles and other equipment can be prevented. If buried pipelines are used for non-hazardous materials, document and mark their course and adopt safe excavation systems |
| l | Automatic resealing of delivery connections for handling liquid and liquefied gas |
| m | Back-vent displaced gases to the delivery vehicle to reduce emissions of VOC |
| n | Wash wheels and chassis of vehicles used to deliver or handle dusty materials |
| o | Use planned campaigns for road sweeping |
| p | Segregate incompatible materials (e.g. oxidising agents and organic materials) |
| q | Minimise material transfers between processes |